1. Richard Barnes Jon Millican Emad Omara Katriel Cohn-Gordon and Raphael Robert. 2018. Messaging Layer (MLS) Secuirty . https://tools.ietf.org/html/draft-barnes-mls-protocol-01. Richard Barnes Jon Millican Emad Omara Katriel Cohn-Gordon and Raphael Robert. 2018. Messaging Layer (MLS) Secuirty . https://tools.ietf.org/html/draft-barnes-mls-protocol-01.
2. Off-the-record communication, or, why not to use PGP
3. Multi-party off-the-record messaging
4. Improved group off-the-record messaging
5. Moxie Marlinspike. 2016. Facebook Messenger deploys Signal Protocol for end to end encryption. https://whispersystems.org/blog/facebook-messenger/ Moxie Marlinspike. 2016. Facebook Messenger deploys Signal Protocol for end to end encryption. https://whispersystems.org/blog/facebook-messenger/